Spatial queries for extracting data from wireless sensor networks are important for many applications, such as environmental monitoring and military surveillance. One such query i...
In a number of application areas, distributed database systems can be used to provide persistent storage of data while providing efficient access for both local and remote data. W...
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...
Abstract. For casual web users, a natural language is more accessible than formal query languages. However, understanding of a natural language query is not trivial for computer sy...
Tae-Gil Noh, Yong-Jin Han, Seong-Bae Park, Se-Youn...
Business workflows implemented as BPEL processes play an important role for many business applications. BPEL is used to orchestrate a series of Web service calls. Which provider ...